--- a/hotspot/src/os/linux/vm/os_linux.cpp Fri Aug 29 08:14:19 2014 -0700
+++ b/hotspot/src/os/linux/vm/os_linux.cpp Wed Sep 10 11:48:20 2014 -0600
@@ -290,10 +290,10 @@
pid_t os::Linux::gettid() {
int rslt = syscall(SYS_gettid);
if (rslt == -1) {
- // old kernel, no NPTL support
- return getpid();
+ // old kernel, no NPTL support
+ return getpid();
} else {
- return (pid_t)rslt;
+ return (pid_t)rslt;
}
}
@@ -465,14 +465,14 @@
static sigset_t unblocked_sigs, vm_sigs, allowdebug_blocked_sigs;
bool os::Linux::is_sig_ignored(int sig) {
- struct sigaction oact;
- sigaction(sig, (struct sigaction*)NULL, &oact);
- void* ohlr = oact.sa_sigaction ? CAST_FROM_FN_PTR(void*, oact.sa_sigaction)
- : CAST_FROM_FN_PTR(void*, oact.sa_handler);
- if (ohlr == CAST_FROM_FN_PTR(void*, SIG_IGN))
- return true;
- else
- return false;
+ struct sigaction oact;
+ sigaction(sig, (struct sigaction*)NULL, &oact);
+ void* ohlr = oact.sa_sigaction ? CAST_FROM_FN_PTR(void*, oact.sa_sigaction)
+ : CAST_FROM_FN_PTR(void*, oact.sa_handler);
+ if (ohlr == CAST_FROM_FN_PTR(void*, SIG_IGN))
+ return true;
+ else
+ return false;
}
void os::Linux::signal_sets_init() {
@@ -503,18 +503,18 @@
sigaddset(&unblocked_sigs, SR_signum);
if (!ReduceSignalUsage) {
- if (!os::Linux::is_sig_ignored(SHUTDOWN1_SIGNAL)) {
+ if (!os::Linux::is_sig_ignored(SHUTDOWN1_SIGNAL)) {
sigaddset(&unblocked_sigs, SHUTDOWN1_SIGNAL);
sigaddset(&allowdebug_blocked_sigs, SHUTDOWN1_SIGNAL);
- }
- if (!os::Linux::is_sig_ignored(SHUTDOWN2_SIGNAL)) {
+ }
+ if (!os::Linux::is_sig_ignored(SHUTDOWN2_SIGNAL)) {
sigaddset(&unblocked_sigs, SHUTDOWN2_SIGNAL);
sigaddset(&allowdebug_blocked_sigs, SHUTDOWN2_SIGNAL);
- }
- if (!os::Linux::is_sig_ignored(SHUTDOWN3_SIGNAL)) {
+ }
+ if (!os::Linux::is_sig_ignored(SHUTDOWN3_SIGNAL)) {
sigaddset(&unblocked_sigs, SHUTDOWN3_SIGNAL);
sigaddset(&allowdebug_blocked_sigs, SHUTDOWN3_SIGNAL);
- }
+ }
}
// Fill in signals that are blocked by all but the VM thread.
sigemptyset(&vm_sigs);
@@ -583,50 +583,50 @@
size_t n = confstr(_CS_GNU_LIBC_VERSION, NULL, 0);
if (n > 0) {
- char *str = (char *)malloc(n, mtInternal);
- confstr(_CS_GNU_LIBC_VERSION, str, n);
- os::Linux::set_glibc_version(str);
+ char *str = (char *)malloc(n, mtInternal);
+ confstr(_CS_GNU_LIBC_VERSION, str, n);
+ os::Linux::set_glibc_version(str);
} else {
- // _CS_GNU_LIBC_VERSION is not supported, try gnu_get_libc_version()
- static char _gnu_libc_version[32];
- jio_snprintf(_gnu_libc_version, sizeof(_gnu_libc_version),
- "glibc %s %s", gnu_get_libc_version(), gnu_get_libc_release());
- os::Linux::set_glibc_version(_gnu_libc_version);
+ // _CS_GNU_LIBC_VERSION is not supported, try gnu_get_libc_version()
+ static char _gnu_libc_version[32];
+ jio_snprintf(_gnu_libc_version, sizeof(_gnu_libc_version),
+ "glibc %s %s", gnu_get_libc_version(), gnu_get_libc_release());
+ os::Linux::set_glibc_version(_gnu_libc_version);
}
n = confstr(_CS_GNU_LIBPTHREAD_VERSION, NULL, 0);
if (n > 0) {
- char *str = (char *)malloc(n, mtInternal);
- confstr(_CS_GNU_LIBPTHREAD_VERSION, str, n);
- // Vanilla RH-9 (glibc 2.3.2) has a bug that confstr() always tells
- // us "NPTL-0.29" even we are running with LinuxThreads. Check if this
- // is the case. LinuxThreads has a hard limit on max number of threads.
- // So sysconf(_SC_THREAD_THREADS_MAX) will return a positive value.
- // On the other hand, NPTL does not have such a limit, sysconf()
- // will return -1 and errno is not changed. Check if it is really NPTL.
- if (strcmp(os::Linux::glibc_version(), "glibc 2.3.2") == 0 &&
- strstr(str, "NPTL") &&
- sysconf(_SC_THREAD_THREADS_MAX) > 0) {
- free(str);
- os::Linux::set_libpthread_version("linuxthreads");
- } else {
- os::Linux::set_libpthread_version(str);
- }
+ char *str = (char *)malloc(n, mtInternal);
+ confstr(_CS_GNU_LIBPTHREAD_VERSION, str, n);
+ // Vanilla RH-9 (glibc 2.3.2) has a bug that confstr() always tells
+ // us "NPTL-0.29" even we are running with LinuxThreads. Check if this
+ // is the case. LinuxThreads has a hard limit on max number of threads.
+ // So sysconf(_SC_THREAD_THREADS_MAX) will return a positive value.
+ // On the other hand, NPTL does not have such a limit, sysconf()
+ // will return -1 and errno is not changed. Check if it is really NPTL.
+ if (strcmp(os::Linux::glibc_version(), "glibc 2.3.2") == 0 &&
+ strstr(str, "NPTL") &&
+ sysconf(_SC_THREAD_THREADS_MAX) > 0) {
+ free(str);
+ os::Linux::set_libpthread_version("linuxthreads");
+ } else {
+ os::Linux::set_libpthread_version(str);
+ }
} else {
// glibc before 2.3.2 only has LinuxThreads.
os::Linux::set_libpthread_version("linuxthreads");
}
if (strstr(libpthread_version(), "NPTL")) {
- os::Linux::set_is_NPTL();
+ os::Linux::set_is_NPTL();
} else {
- os::Linux::set_is_LinuxThreads();
+ os::Linux::set_is_LinuxThreads();
}
// LinuxThreads have two flavors: floating-stack mode, which allows variable
// stack size; and fixed-stack mode. NPTL is always floating-stack.
if (os::Linux::is_NPTL() || os::Linux::supports_variable_stack_size()) {
- os::Linux::set_is_floating_stack();
+ os::Linux::set_is_floating_stack();
}
}
@@ -935,9 +935,9 @@
// Aborted due to thread limit being reached
if (state == ZOMBIE) {
- thread->set_osthread(NULL);
- delete osthread;
- return false;
+ thread->set_osthread(NULL);
+ delete osthread;
+ return false;
}
// The thread is returned suspended (in state INITIALIZED),
@@ -957,7 +957,7 @@
bool os::create_attached_thread(JavaThread* thread) {
#ifdef ASSERT
- thread->verify_not_published();
+ thread->verify_not_published();
#endif
// Allocate the OSThread object
@@ -1029,7 +1029,7 @@
// Restore caller's signal mask
sigset_t sigmask = osthread->caller_sigmask();
pthread_sigmask(SIG_SETMASK, &sigmask, NULL);
- }
+ }
delete osthread;
}
@@ -1085,7 +1085,7 @@
"os::init did not locate initial thread's stack region");
if ((address)&dummy >= initial_thread_stack_bottom() &&
(address)&dummy < initial_thread_stack_bottom() + initial_thread_stack_size())
- return true;
+ return true;
else return false;
}
@@ -1097,10 +1097,10 @@
while (!feof(fp)) {
if (fscanf(fp, "%p-%p", &low, &high) == 2) {
if (low <= addr && addr < high) {
- if (vma_low) *vma_low = low;
- if (vma_high) *vma_high = high;
- fclose(fp);
- return true;
+ if (vma_low) *vma_low = low;
+ if (vma_high) *vma_high = high;
+ fclose(fp);
+ return true;
}
}
for (;;) {
@@ -1137,7 +1137,7 @@
// FIXME: alt signal stack is gone, maybe we can relax this constraint?
// Problem still exists RH7.2 (IA64 anyway) but 2MB is a little small
if (stack_size > 2 * K * K IA64_ONLY(*2))
- stack_size = 2 * K * K IA64_ONLY(*2);
+ stack_size = 2 * K * K IA64_ONLY(*2);
// Try to figure out where the stack base (top) is. This is harder.
//
// When an application is started, glibc saves the initial stack pointer in
@@ -1224,43 +1224,43 @@
/* 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2 2 2 2 */
/* 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 */
i = sscanf(s, "%c %d %d %d %d %d %lu %lu %lu %lu %lu %lu %lu %ld %ld %ld %ld %ld %ld " _UFM _UFM _DFM _UFM _UFM _UFM _UFM,
- &state, /* 3 %c */
- &ppid, /* 4 %d */
- &pgrp, /* 5 %d */
- &session, /* 6 %d */
- &nr, /* 7 %d */
- &tpgrp, /* 8 %d */
- &flags, /* 9 %lu */
- &minflt, /* 10 %lu */
- &cminflt, /* 11 %lu */
- &majflt, /* 12 %lu */
- &cmajflt, /* 13 %lu */
- &utime, /* 14 %lu */
- &stime, /* 15 %lu */
- &cutime, /* 16 %ld */
- &cstime, /* 17 %ld */
- &prio, /* 18 %ld */
- &nice, /* 19 %ld */
- &junk, /* 20 %ld */
- &it_real, /* 21 %ld */
- &start, /* 22 UINTX_FORMAT */
- &vsize, /* 23 UINTX_FORMAT */
- &rss, /* 24 INTX_FORMAT */
- &rsslim, /* 25 UINTX_FORMAT */
- &scodes, /* 26 UINTX_FORMAT */
- &ecode, /* 27 UINTX_FORMAT */
- &stack_start); /* 28 UINTX_FORMAT */
+ &state, /* 3 %c */
+ &ppid, /* 4 %d */
+ &pgrp, /* 5 %d */
+ &session, /* 6 %d */
+ &nr, /* 7 %d */
+ &tpgrp, /* 8 %d */
+ &flags, /* 9 %lu */
+ &minflt, /* 10 %lu */
+ &cminflt, /* 11 %lu */
+ &majflt, /* 12 %lu */
+ &cmajflt, /* 13 %lu */
+ &utime, /* 14 %lu */
+ &stime, /* 15 %lu */
+ &cutime, /* 16 %ld */
+ &cstime, /* 17 %ld */
+ &prio, /* 18 %ld */
+ &nice, /* 19 %ld */
+ &junk, /* 20 %ld */
+ &it_real, /* 21 %ld */
+ &start, /* 22 UINTX_FORMAT */
+ &vsize, /* 23 UINTX_FORMAT */
+ &rss, /* 24 INTX_FORMAT */
+ &rsslim, /* 25 UINTX_FORMAT */
+ &scodes, /* 26 UINTX_FORMAT */
+ &ecode, /* 27 UINTX_FORMAT */
+ &stack_start); /* 28 UINTX_FORMAT */
}
#undef _UFM
#undef _DFM
if (i != 28 - 2) {
- assert(false, "Bad conversion from /proc/self/stat");
- // product mode - assume we are the initial thread, good luck in the
- // embedded case.
- warning("Can't detect initial thread stack location - bad conversion");
- stack_start = (uintptr_t) &rlim;
+ assert(false, "Bad conversion from /proc/self/stat");
+ // product mode - assume we are the initial thread, good luck in the
+ // embedded case.
+ warning("Can't detect initial thread stack location - bad conversion");
+ stack_start = (uintptr_t) &rlim;
}
} else {
// For some reason we can't open /proc/self/stat (for example, running on
@@ -1298,9 +1298,9 @@
stack_top = align_size_up(stack_top, page_size());
if (max_size && stack_size > max_size) {
- _initial_thread_stack_size = max_size;
+ _initial_thread_stack_size = max_size;
} else {
- _initial_thread_stack_size = stack_size;
+ _initial_thread_stack_size = stack_size;
}
_initial_thread_stack_size = align_size_down(_initial_thread_stack_size, page_size());
@@ -1423,8 +1423,8 @@
// better than 1 sec. This is extra check for reliability.
if (pthread_getcpuclockid_func &&
- pthread_getcpuclockid_func(_main_thread, &clockid) == 0 &&
- sys_clock_getres(clockid, &tp) == 0 && tp.tv_sec == 0) {
+ pthread_getcpuclockid_func(_main_thread, &clockid) == 0 &&
+ sys_clock_getres(clockid, &tp) == 0 && tp.tv_sec == 0) {
_supports_fast_thread_cpu_time = true;
_pthread_getcpuclockid = pthread_getcpuclockid_func;
@@ -1769,9 +1769,9 @@
int rslt = dl_iterate_phdr(address_to_library_name_callback, (void *)&data);
if (rslt) {
- // buf already contains library name
- if (offset) *offset = addr - data.base;
- return true;
+ // buf already contains library name
+ if (offset) *offset = addr - data.base;
+ return true;
}
if (dladdr((void*)addr, &dlinfo) != 0) {
if (dlinfo.dli_fname != NULL) {
@@ -1788,9 +1788,9 @@
return false;
}
- // Loads .dll/.so and
- // in case of error it checks if .dll/.so was built for the
- // same architecture as Hotspot is running on
+// Loads .dll/.so and
+// in case of error it checks if .dll/.so was built for the
+// same architecture as Hotspot is running on
// Remember the stack's state. The Linux dynamic linker will change
@@ -1905,7 +1905,7 @@
bool failed_to_read_elf_head=
(sizeof(elf_head)!=
- (::read(file_descriptor, &elf_head,sizeof(elf_head))));
+ (::read(file_descriptor, &elf_head,sizeof(elf_head))));
::close(file_descriptor);
if (failed_to_read_elf_head) {
@@ -1949,33 +1949,33 @@
};
#if (defined IA32)
- static Elf32_Half running_arch_code=EM_386;
+ static Elf32_Half running_arch_code=EM_386;
#elif (defined AMD64)
- static Elf32_Half running_arch_code=EM_X86_64;
+ static Elf32_Half running_arch_code=EM_X86_64;
#elif (defined IA64)
- static Elf32_Half running_arch_code=EM_IA_64;
+ static Elf32_Half running_arch_code=EM_IA_64;
#elif (defined __sparc) && (defined _LP64)
- static Elf32_Half running_arch_code=EM_SPARCV9;
+ static Elf32_Half running_arch_code=EM_SPARCV9;
#elif (defined __sparc) && (!defined _LP64)
- static Elf32_Half running_arch_code=EM_SPARC;
+ static Elf32_Half running_arch_code=EM_SPARC;
#elif (defined __powerpc64__)
- static Elf32_Half running_arch_code=EM_PPC64;
+ static Elf32_Half running_arch_code=EM_PPC64;
#elif (defined __powerpc__)
- static Elf32_Half running_arch_code=EM_PPC;
+ static Elf32_Half running_arch_code=EM_PPC;
#elif (defined ARM)
- static Elf32_Half running_arch_code=EM_ARM;
+ static Elf32_Half running_arch_code=EM_ARM;
#elif (defined S390)
- static Elf32_Half running_arch_code=EM_S390;
+ static Elf32_Half running_arch_code=EM_S390;
#elif (defined ALPHA)
- static Elf32_Half running_arch_code=EM_ALPHA;
+ static Elf32_Half running_arch_code=EM_ALPHA;
#elif (defined MIPSEL)
- static Elf32_Half running_arch_code=EM_MIPS_RS3_LE;
+ static Elf32_Half running_arch_code=EM_MIPS_RS3_LE;
#elif (defined PARISC)
- static Elf32_Half running_arch_code=EM_PARISC;
+ static Elf32_Half running_arch_code=EM_PARISC;
#elif (defined MIPS)
- static Elf32_Half running_arch_code=EM_MIPS;
+ static Elf32_Half running_arch_code=EM_MIPS;
#elif (defined M68K)
- static Elf32_Half running_arch_code=EM_68K;
+ static Elf32_Half running_arch_code=EM_68K;
#else
#error Method os::dll_load requires that one of following is defined:\
IA32, AMD64, IA64, __sparc, __powerpc__, ARM, S390, ALPHA, MIPS, MIPSEL, PARISC, M68K
@@ -1998,7 +1998,7 @@
}
assert(running_arch_index != -1,
- "Didn't find running architecture code (running_arch_code) in arch_array");
+ "Didn't find running architecture code (running_arch_code) in arch_array");
if (running_arch_index == -1) {
// Even though running architecture detection failed
// we may still continue with reporting dlerror() message
@@ -2020,13 +2020,13 @@
if (lib_arch.compat_class != arch_array[running_arch_index].compat_class) {
if (lib_arch.name!=NULL) {
::snprintf(diag_msg_buf, diag_msg_max_length-1,
- " (Possible cause: can't load %s-bit .so on a %s-bit platform)",
- lib_arch.name, arch_array[running_arch_index].name);
+ " (Possible cause: can't load %s-bit .so on a %s-bit platform)",
+ lib_arch.name, arch_array[running_arch_index].name);
} else {
::snprintf(diag_msg_buf, diag_msg_max_length-1,
- " (Possible cause: can't load this .so (machine code=0x%x) on a %s-bit platform)",
- lib_arch.code,
- arch_array[running_arch_index].name);
+ " (Possible cause: can't load this .so (machine code=0x%x) on a %s-bit platform)",
+ lib_arch.code,
+ arch_array[running_arch_index].name);
}
}
@@ -2093,7 +2093,7 @@
static bool _print_ascii_file(const char* filename, outputStream* st) {
int fd = ::open(filename, O_RDONLY);
if (fd == -1) {
- return false;
+ return false;
}
char buf[32];
@@ -2108,16 +2108,16 @@
}
void os::print_dll_info(outputStream *st) {
- st->print_cr("Dynamic libraries:");
-
- char fname[32];
- pid_t pid = os::Linux::gettid();
-
- jio_snprintf(fname, sizeof(fname), "/proc/%d/maps", pid);
-
- if (!_print_ascii_file(fname, st)) {
- st->print("Can not get library information for pid = %d\n", pid);
- }
+ st->print_cr("Dynamic libraries:");
+
+ char fname[32];
+ pid_t pid = os::Linux::gettid();
+
+ jio_snprintf(fname, sizeof(fname), "/proc/%d/maps", pid);
+
+ if (!_print_ascii_file(fname, st)) {
+ st->print("Can not get library information for pid = %d\n", pid);
+ }
}
void os::print_os_info_brief(outputStream* st) {
@@ -2173,28 +2173,28 @@
// an informative string like "6.0.6" or "wheezy/sid". Because of this
// "Debian " is printed before the contents of the debian_version file.
void os::Linux::print_distro_info(outputStream* st) {
- if (!_print_ascii_file("/etc/oracle-release", st) &&
- !_print_ascii_file("/etc/mandriva-release", st) &&
- !_print_ascii_file("/etc/mandrake-release", st) &&
- !_print_ascii_file("/etc/sun-release", st) &&
- !_print_ascii_file("/etc/redhat-release", st) &&
- !_print_ascii_file("/etc/lsb-release", st) &&
- !_print_ascii_file("/etc/SuSE-release", st) &&
- !_print_ascii_file("/etc/turbolinux-release", st) &&
- !_print_ascii_file("/etc/gentoo-release", st) &&
- !_print_ascii_file("/etc/ltib-release", st) &&
- !_print_ascii_file("/etc/angstrom-version", st) &&
- !_print_ascii_file("/etc/system-release", st) &&
- !_print_ascii_file("/etc/os-release", st)) {
-
- if (file_exists("/etc/debian_version")) {
- st->print("Debian ");
- _print_ascii_file("/etc/debian_version", st);
- } else {
- st->print("Linux");
- }
- }
- st->cr();
+ if (!_print_ascii_file("/etc/oracle-release", st) &&
+ !_print_ascii_file("/etc/mandriva-release", st) &&
+ !_print_ascii_file("/etc/mandrake-release", st) &&
+ !_print_ascii_file("/etc/sun-release", st) &&
+ !_print_ascii_file("/etc/redhat-release", st) &&
+ !_print_ascii_file("/etc/lsb-release", st) &&
+ !_print_ascii_file("/etc/SuSE-release", st) &&
+ !_print_ascii_file("/etc/turbolinux-release", st) &&
+ !_print_ascii_file("/etc/gentoo-release", st) &&
+ !_print_ascii_file("/etc/ltib-release", st) &&
+ !_print_ascii_file("/etc/angstrom-version", st) &&
+ !_print_ascii_file("/etc/system-release", st) &&
+ !_print_ascii_file("/etc/os-release", st)) {
+
+ if (file_exists("/etc/debian_version")) {
+ st->print("Debian ");
+ _print_ascii_file("/etc/debian_version", st);
+ } else {
+ st->print("Linux");
+ }
+ }
+ st->cr();
}
void os::Linux::print_libversion_info(outputStream* st) {
@@ -2203,15 +2203,15 @@
st->print("%s ", os::Linux::glibc_version());
st->print("%s ", os::Linux::libpthread_version());
if (os::Linux::is_LinuxThreads()) {
- st->print("(%s stack)", os::Linux::is_floating_stack() ? "floating" : "fixed");
+ st->print("(%s stack)", os::Linux::is_floating_stack() ? "floating" : "fixed");
}
st->cr();
}
void os::Linux::print_full_memory_info(outputStream* st) {
- st->print("\n/proc/meminfo:\n");
- _print_ascii_file("/proc/meminfo", st);
- st->cr();
+ st->print("\n/proc/meminfo:\n");
+ _print_ascii_file("/proc/meminfo", st);
+ st->cr();
}
void os::print_memory_info(outputStream* st) {
@@ -2301,8 +2301,8 @@
char dli_fname[MAXPATHLEN];
bool ret = dll_address_to_library_name(
- CAST_FROM_FN_PTR(address, os::jvm_path),
- dli_fname, sizeof(dli_fname), NULL);
+ CAST_FROM_FN_PTR(address, os::jvm_path),
+ dli_fname, sizeof(dli_fname), NULL);
assert(ret, "cannot locate libjvm");
char *rp = NULL;
if (ret && dli_fname[0] != '\0') {
@@ -2386,12 +2386,12 @@
// the program is interrupted by Ctrl-C, SIGINT is sent to every thread. We
// don't want to flood the manager thread with sem_post requests.
if (sig == SIGINT && Atomic::add(1, &sigint_count) > 1)
- return;
+ return;
// Ctrl-C is pressed during error reporting, likely because the error
// handler fails to abort. Let VM die immediately.
if (sig == SIGINT && is_error_reported()) {
- os::die();
+ os::die();
}
os::signal_notify(sig);
@@ -2402,15 +2402,15 @@
}
class Semaphore : public StackObj {
- public:
- Semaphore();
- ~Semaphore();
- void signal();
- void wait();
- bool trywait();
- bool timedwait(unsigned int sec, int nsec);
- private:
- sem_t _semaphore;
+ public:
+ Semaphore();
+ ~Semaphore();
+ void signal();
+ void wait();
+ bool trywait();
+ bool timedwait(unsigned int sec, int nsec);
+ private:
+ sem_t _semaphore;
};
Semaphore::Semaphore() {
@@ -2661,7 +2661,7 @@
int os::Linux::commit_memory_impl(char* addr, size_t size, bool exec) {
int prot = exec ? PROT_READ|PROT_WRITE|PROT_EXEC : PROT_READ|PROT_WRITE;
uintptr_t res = (uintptr_t) ::mmap(addr, size, prot,
- MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0);
+ MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0);
if (res != (uintptr_t) MAP_FAILED) {
if (UseNUMAInterleaving) {
numa_make_global(addr, size);
@@ -2866,9 +2866,9 @@
set_numa_tonode_memory(CAST_TO_FN_PTR(numa_tonode_memory_func_t,
libnuma_dlsym(handle, "numa_tonode_memory")));
set_numa_interleave_memory(CAST_TO_FN_PTR(numa_interleave_memory_func_t,
- libnuma_dlsym(handle, "numa_interleave_memory")));
+ libnuma_dlsym(handle, "numa_interleave_memory")));
set_numa_set_bind_policy(CAST_TO_FN_PTR(numa_set_bind_policy_func_t,
- libnuma_dlsym(handle, "numa_set_bind_policy")));
+ libnuma_dlsym(handle, "numa_set_bind_policy")));
if (numa_available() != -1) {
@@ -2940,7 +2940,7 @@
bool os::pd_uncommit_memory(char* addr, size_t size) {
uintptr_t res = (uintptr_t) ::mmap(addr, size, PROT_NONE,
- MAP_PRIVATE|MAP_FIXED|MAP_NORESERVE|MAP_ANONYMOUS, -1, 0);
+ MAP_PRIVATE|MAP_FIXED|MAP_NORESERVE|MAP_ANONYMOUS, -1, 0);
return res != (uintptr_t) MAP_FAILED;
}
@@ -3031,8 +3031,8 @@
if (mincore((address)stack_extent, os::vm_page_size(), vec) == -1) {
// Fallback to slow path on all errors, including EAGAIN
stack_extent = (uintptr_t) get_stack_commited_bottom(
- os::Linux::initial_thread_stack_bottom(),
- (size_t)addr - stack_extent);
+ os::Linux::initial_thread_stack_bottom(),
+ (size_t)addr - stack_extent);
}
if (stack_extent < (uintptr_t)addr) {
@@ -3105,7 +3105,7 @@
}
char* os::pd_reserve_memory(size_t bytes, char* requested_addr,
- size_t alignment_hint) {
+ size_t alignment_hint) {
return anon_mmap(requested_addr, bytes, (requested_addr != NULL));
}
@@ -3296,8 +3296,8 @@
if (!FLAG_IS_DEFAULT(LargePageSizeInBytes) && LargePageSizeInBytes != large_page_size) {
warning("Setting LargePageSizeInBytes has no effect on this OS. Large page size is "
- SIZE_FORMAT "%s.", byte_size_in_proper_unit(large_page_size),
- proper_unit_for_byte_size(large_page_size));
+ SIZE_FORMAT "%s.", byte_size_in_proper_unit(large_page_size),
+ proper_unit_for_byte_size(large_page_size));
}
return large_page_size;
@@ -3404,25 +3404,25 @@
// Currently, size is the total size of the heap
int shmid = shmget(key, bytes, SHM_HUGETLB|IPC_CREAT|SHM_R|SHM_W);
if (shmid == -1) {
- // Possible reasons for shmget failure:
- // 1. shmmax is too small for Java heap.
- // > check shmmax value: cat /proc/sys/kernel/shmmax
- // > increase shmmax value: echo "0xffffffff" > /proc/sys/kernel/shmmax
- // 2. not enough large page memory.
- // > check available large pages: cat /proc/meminfo
- // > increase amount of large pages:
- // echo new_value > /proc/sys/vm/nr_hugepages
- // Note 1: different Linux may use different name for this property,
- // e.g. on Redhat AS-3 it is "hugetlb_pool".
- // Note 2: it's possible there's enough physical memory available but
- // they are so fragmented after a long run that they can't
- // coalesce into large pages. Try to reserve large pages when
- // the system is still "fresh".
- if (warn_on_failure) {
- jio_snprintf(msg, sizeof(msg), "Failed to reserve shared memory (errno = %d).", errno);
- warning("%s", msg);
- }
- return NULL;
+ // Possible reasons for shmget failure:
+ // 1. shmmax is too small for Java heap.
+ // > check shmmax value: cat /proc/sys/kernel/shmmax
+ // > increase shmmax value: echo "0xffffffff" > /proc/sys/kernel/shmmax
+ // 2. not enough large page memory.
+ // > check available large pages: cat /proc/meminfo
+ // > increase amount of large pages:
+ // echo new_value > /proc/sys/vm/nr_hugepages
+ // Note 1: different Linux may use different name for this property,
+ // e.g. on Redhat AS-3 it is "hugetlb_pool".
+ // Note 2: it's possible there's enough physical memory available but
+ // they are so fragmented after a long run that they can't
+ // coalesce into large pages. Try to reserve large pages when
+ // the system is still "fresh".
+ if (warn_on_failure) {
+ jio_snprintf(msg, sizeof(msg), "Failed to reserve shared memory (errno = %d).", errno);
+ warning("%s", msg);
+ }
+ return NULL;
}
// attach to the region
@@ -3436,11 +3436,11 @@
shmctl(shmid, IPC_RMID, NULL);
if ((intptr_t)addr == -1) {
- if (warn_on_failure) {
- jio_snprintf(msg, sizeof(msg), "Failed to attach shared memory (errno = %d).", err);
- warning("%s", msg);
- }
- return NULL;
+ if (warn_on_failure) {
+ jio_snprintf(msg, sizeof(msg), "Failed to attach shared memory (errno = %d).", err);
+ warning("%s", msg);
+ }
+ return NULL;
}
return addr;
@@ -3457,7 +3457,7 @@
if (warn_on_failure) {
char msg[128];
jio_snprintf(msg, sizeof(msg), "Failed to reserve large pages memory req_addr: "
- PTR_FORMAT " bytes: " SIZE_FORMAT " (errno = %d).", req_addr, bytes, error);
+ PTR_FORMAT " bytes: " SIZE_FORMAT " (errno = %d).", req_addr, bytes, error);
warning("%s", msg);
}
}
@@ -3562,9 +3562,9 @@
}
if (lp_end != end) {
- result = ::mmap(lp_end, end - lp_end, prot,
- MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,
- -1, 0);
+ result = ::mmap(lp_end, end - lp_end, prot,
+ MAP_PRIVATE|MAP_ANONYMOUS|MAP_FIXED,
+ -1, 0);
if (result == MAP_FAILED) {
::munmap(start, lp_end - start);
return NULL;
@@ -3698,12 +3698,12 @@
// if kernel honors the hint then we can return immediately.
char * addr = anon_mmap(requested_addr, bytes, false);
if (addr == requested_addr) {
- return requested_addr;
+ return requested_addr;
}
if (addr != NULL) {
- // mmap() is successful but it fails to reserve at the requested address
- anon_munmap(addr, bytes);
+ // mmap() is successful but it fails to reserve at the requested address
+ anon_munmap(addr, bytes);
}
int i;
@@ -3988,12 +3988,12 @@
if ((s = ::getenv("_JAVA_SR_SIGNUM")) != 0) {
int sig = ::strtol(s, 0, 10);
if (sig > 0 || sig < _NSIG) {
- SR_signum = sig;
+ SR_signum = sig;
}
}
assert(SR_signum > SIGSEGV && SR_signum > SIGBUS,
- "SR_signum must be greater than max(SIGSEGV, SIGBUS), see 4355769");
+ "SR_signum must be greater than max(SIGSEGV, SIGBUS), see 4355769");
sigemptyset(&SR_sigset);
sigaddset(&SR_sigset, SR_signum);
@@ -4304,12 +4304,12 @@
signal_setting_t begin_signal_setting = NULL;
signal_setting_t end_signal_setting = NULL;
begin_signal_setting = CAST_TO_FN_PTR(signal_setting_t,
- dlsym(RTLD_DEFAULT, "JVM_begin_signal_setting"));
+ dlsym(RTLD_DEFAULT, "JVM_begin_signal_setting"));
if (begin_signal_setting != NULL) {
end_signal_setting = CAST_TO_FN_PTR(signal_setting_t,
- dlsym(RTLD_DEFAULT, "JVM_end_signal_setting"));
+ dlsym(RTLD_DEFAULT, "JVM_end_signal_setting"));
get_signal_action = CAST_TO_FN_PTR(get_signal_t,
- dlsym(RTLD_DEFAULT, "JVM_get_signal_action"));
+ dlsym(RTLD_DEFAULT, "JVM_get_signal_action"));
libjsig_is_loaded = true;
assert(UseSignalChaining, "should enable signal-chaining");
}
@@ -4434,7 +4434,7 @@
// Check: is it our handler?
if (handler == CAST_FROM_FN_PTR(address, (sa_sigaction_t)signalHandler) ||
- handler == CAST_FROM_FN_PTR(address, (sa_sigaction_t)SR_handler)) {
+ handler == CAST_FROM_FN_PTR(address, (sa_sigaction_t)SR_handler)) {
// It is our signal handler
// check for flags, reset system-used one!
if ((int)sa.sa_flags != os::Linux::get_our_sigflags(sig)) {
@@ -4698,22 +4698,22 @@
// Add in 2*BytesPerWord times page size to account for VM stack during
// class initialization depending on 32 or 64 bit VM.
os::Linux::min_stack_allowed = MAX2(os::Linux::min_stack_allowed,
- (size_t)(StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
- (2*BytesPerWord COMPILER2_PRESENT(+1)) * Linux::vm_default_page_size());
+ (size_t)(StackYellowPages+StackRedPages+StackShadowPages) * Linux::page_size() +
+ (2*BytesPerWord COMPILER2_PRESENT(+1)) * Linux::vm_default_page_size());
size_t threadStackSizeInBytes = ThreadStackSize * K;
if (threadStackSizeInBytes != 0 &&
threadStackSizeInBytes < os::Linux::min_stack_allowed) {
- tty->print_cr("\nThe stack size specified is too small, "
- "Specify at least %dk",
- os::Linux::min_stack_allowed/ K);
- return JNI_ERR;
+ tty->print_cr("\nThe stack size specified is too small, "
+ "Specify at least %dk",
+ os::Linux::min_stack_allowed/ K);
+ return JNI_ERR;
}
// Make the stack size a multiple of the page size so that
// the yellow/red zones can be guarded.
JavaThread::set_stack_size_at_create(round_to(threadStackSizeInBytes,
- vm_page_size()));
+ vm_page_size()));
Linux::capture_initial_stack(JavaThread::stack_size_at_create());
@@ -4723,9 +4723,9 @@
Linux::libpthread_init();
if (PrintMiscellaneous && (Verbose || WizardMode)) {
- tty->print_cr("[HotSpot is running with %s, %s(%s)]\n",
- Linux::glibc_version(), Linux::libpthread_version(),
- Linux::is_floating_stack() ? "floating stack" : "fixed stack");
+ tty->print_cr("[HotSpot is running with %s, %s(%s)]\n",
+ Linux::glibc_version(), Linux::libpthread_version(),
+ Linux::is_floating_stack() ? "floating stack" : "fixed stack");
}
if (UseNUMA) {
@@ -4865,12 +4865,12 @@
}
class PcFetcher : public os::SuspendedThreadTask {
-public:
+ public:
PcFetcher(Thread* thread) : os::SuspendedThreadTask(thread) {}
ExtendedPC result();
-protected:
+ protected:
void do_task(const os::SuspendedThreadTaskContext& context);
-private:
+ private:
ExtendedPC _epc;
};
@@ -4904,17 +4904,17 @@
int os::Linux::safe_cond_timedwait(pthread_cond_t *_cond, pthread_mutex_t *_mutex, const struct timespec *_abstime)
{
- if (is_NPTL()) {
- return pthread_cond_timedwait(_cond, _mutex, _abstime);
- } else {
- // 6292965: LinuxThreads pthread_cond_timedwait() resets FPU control
- // word back to default 64bit precision if condvar is signaled. Java
- // wants 53bit precision. Save and restore current value.
- int fpu = get_fpu_control_word();
- int status = pthread_cond_timedwait(_cond, _mutex, _abstime);
- set_fpu_control_word(fpu);
- return status;
- }
+ if (is_NPTL()) {
+ return pthread_cond_timedwait(_cond, _mutex, _abstime);
+ } else {
+ // 6292965: LinuxThreads pthread_cond_timedwait() resets FPU control
+ // word back to default 64bit precision if condvar is signaled. Java
+ // wants 53bit precision. Save and restore current value.
+ int fpu = get_fpu_control_word();
+ int status = pthread_cond_timedwait(_cond, _mutex, _abstime);
+ set_fpu_control_word(fpu);
+ return status;
+ }
}
////////////////////////////////////////////////////////////////////////////////
@@ -4927,7 +4927,7 @@
st->print(PTR_FORMAT ": ", addr);
if (dlinfo.dli_sname != NULL && dlinfo.dli_saddr != NULL) {
st->print("%s+%#x", dlinfo.dli_sname,
- addr - (intptr_t)dlinfo.dli_saddr);
+ addr - (intptr_t)dlinfo.dli_saddr);
} else if (dlinfo.dli_fbase != NULL) {
st->print("<offset %#x>", addr - (intptr_t)dlinfo.dli_fbase);
} else {
@@ -5096,11 +5096,11 @@
* 6339493: (process) Runtime.exec does not close all file descriptors on Solaris 9
*/
#ifdef FD_CLOEXEC
- {
- int flags = ::fcntl(fd, F_GETFD);
- if (flags != -1)
- ::fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
- }
+ {
+ int flags = ::fcntl(fd, F_GETFD);
+ if (flags != -1)
+ ::fcntl(fd, F_SETFD, flags | FD_CLOEXEC);
+ }
#endif
if (o_delete != 0) {
@@ -5174,8 +5174,8 @@
// Map a block of memory.
char* os::pd_map_memory(int fd, const char* file_name, size_t file_offset,
- char *addr, size_t bytes, bool read_only,
- bool allow_exec) {
+ char *addr, size_t bytes, bool read_only,
+ bool allow_exec) {
int prot;
int flags = MAP_PRIVATE;
@@ -5204,8 +5204,8 @@
// Remap a block of memory.
char* os::pd_remap_memory(int fd, const char* file_name, size_t file_offset,
- char *addr, size_t bytes, bool read_only,
- bool allow_exec) {
+ char *addr, size_t bytes, bool read_only,
+ bool allow_exec) {
// same as map_memory() on this OS
return os::map_memory(fd, file_name, file_offset, addr, bytes, read_only,
allow_exec);
@@ -5360,7 +5360,7 @@
}
} else {
jio_fprintf(stderr,
- "Could not open pause file '%s', continuing immediately.\n", filename);
+ "Could not open pause file '%s', continuing immediately.\n", filename);
}
}
@@ -5471,28 +5471,28 @@
int v;
for (;;) {
- v = _Event;
- if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
+ v = _Event;
+ if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
}
guarantee(v >= 0, "invariant");
if (v == 0) {
- // Do this the hard way by blocking ...
- int status = pthread_mutex_lock(_mutex);
- assert_status(status == 0, status, "mutex_lock");
- guarantee(_nParked == 0, "invariant");
- ++_nParked;
- while (_Event < 0) {
- status = pthread_cond_wait(_cond, _mutex);
- // for some reason, under 2.7 lwp_cond_wait() may return ETIME ...
- // Treat this the same as if the wait was interrupted
- if (status == ETIME) { status = EINTR; }
- assert_status(status == 0 || status == EINTR, status, "cond_wait");
- }
- --_nParked;
+ // Do this the hard way by blocking ...
+ int status = pthread_mutex_lock(_mutex);
+ assert_status(status == 0, status, "mutex_lock");
+ guarantee(_nParked == 0, "invariant");
+ ++_nParked;
+ while (_Event < 0) {
+ status = pthread_cond_wait(_cond, _mutex);
+ // for some reason, under 2.7 lwp_cond_wait() may return ETIME ...
+ // Treat this the same as if the wait was interrupted
+ if (status == ETIME) { status = EINTR; }
+ assert_status(status == 0 || status == EINTR, status, "cond_wait");
+ }
+ --_nParked;
_Event = 0;
- status = pthread_mutex_unlock(_mutex);
- assert_status(status == 0, status, "mutex_unlock");
+ status = pthread_mutex_unlock(_mutex);
+ assert_status(status == 0, status, "mutex_unlock");
// Paranoia to ensure our locked and lock-free paths interact
// correctly with each other.
OrderAccess::fence();
@@ -5505,8 +5505,8 @@
int v;
for (;;) {
- v = _Event;
- if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
+ v = _Event;
+ if (Atomic::cmpxchg(v-1, &_Event, v) == v) break;
}
guarantee(v >= 0, "invariant");
if (v != 0) return OS_OK;
@@ -5550,7 +5550,7 @@
}
--_nParked;
if (_Event >= 0) {
- ret = OS_OK;
+ ret = OS_OK;
}
_Event = 0;
status = pthread_mutex_unlock(_mutex);
@@ -5849,7 +5849,7 @@
// On IA64 there's no fork syscall, we have to use fork() and hope for
// the best...
pid_t pid = NOT_IA64(syscall(__NR_fork);)
- IA64_ONLY(fork();)
+ IA64_ONLY(fork();)
if (pid < 0) {
// fork failed
@@ -5880,26 +5880,26 @@
// Wait for the child process to exit. This returns immediately if
// the child has already exited. */
while (waitpid(pid, &status, 0) < 0) {
- switch (errno) {
- case ECHILD: return 0;
- case EINTR: break;
- default: return -1;
- }
+ switch (errno) {
+ case ECHILD: return 0;
+ case EINTR: break;
+ default: return -1;
+ }
}
if (WIFEXITED(status)) {
- // The child exited normally; get its exit code.
- return WEXITSTATUS(status);
+ // The child exited normally; get its exit code.
+ return WEXITSTATUS(status);
} else if (WIFSIGNALED(status)) {
- // The child exited because of a signal
- // The best value to return is 0x80 + signal number,
- // because that is what all Unix shells do, and because
- // it allows callers to distinguish between process exit and
- // process death by signal.
- return 0x80 + WTERMSIG(status);
+ // The child exited because of a signal
+ // The best value to return is 0x80 + signal number,
+ // because that is what all Unix shells do, and because
+ // it allows callers to distinguish between process exit and
+ // process death by signal.
+ return 0x80 + WTERMSIG(status);
} else {
- // Unknown exit code; pass it through
- return status;
+ // Unknown exit code; pass it through
+ return status;
}
}
}
@@ -5913,37 +5913,37 @@
// as libawt.so, and renamed libawt_xawt.so
//
bool os::is_headless_jre() {
- struct stat statbuf;
- char buf[MAXPATHLEN];
- char libmawtpath[MAXPATHLEN];
- const char *xawtstr = "/xawt/libmawt.so";
- const char *new_xawtstr = "/libawt_xawt.so";
- char *p;
-
- // Get path to libjvm.so
- os::jvm_path(buf, sizeof(buf));
-
- // Get rid of libjvm.so
- p = strrchr(buf, '/');
- if (p == NULL) return false;
- else *p = '\0';
-
- // Get rid of client or server
- p = strrchr(buf, '/');
- if (p == NULL) return false;
- else *p = '\0';
-
- // check xawt/libmawt.so
- strcpy(libmawtpath, buf);
- strcat(libmawtpath, xawtstr);
- if (::stat(libmawtpath, &statbuf) == 0) return false;
-
- // check libawt_xawt.so
- strcpy(libmawtpath, buf);
- strcat(libmawtpath, new_xawtstr);
- if (::stat(libmawtpath, &statbuf) == 0) return false;
-
- return true;
+ struct stat statbuf;
+ char buf[MAXPATHLEN];
+ char libmawtpath[MAXPATHLEN];
+ const char *xawtstr = "/xawt/libmawt.so";
+ const char *new_xawtstr = "/libawt_xawt.so";
+ char *p;
+
+ // Get path to libjvm.so
+ os::jvm_path(buf, sizeof(buf));
+
+ // Get rid of libjvm.so
+ p = strrchr(buf, '/');
+ if (p == NULL) return false;
+ else *p = '\0';
+
+ // Get rid of client or server
+ p = strrchr(buf, '/');
+ if (p == NULL) return false;
+ else *p = '\0';
+
+ // check xawt/libmawt.so
+ strcpy(libmawtpath, buf);
+ strcat(libmawtpath, xawtstr);
+ if (::stat(libmawtpath, &statbuf) == 0) return false;
+
+ // check libawt_xawt.so
+ strcpy(libmawtpath, buf);
+ strcat(libmawtpath, new_xawtstr);
+ if (::stat(libmawtpath, &statbuf) == 0) return false;
+
+ return true;
}
// Get the default path to the core file
@@ -6025,7 +6025,7 @@
int fd;
fd = open ("/dev/mem_notify", O_RDONLY, 0);
if (fd < 0) {
- return;
+ return;
}
if (memnotify_thread() == NULL) {
@@ -6089,11 +6089,11 @@
static void test_reserve_memory_special_huge_tlbfs_mixed(size_t size, size_t alignment) {
if (!UseHugeTLBFS) {
- return;
+ return;
}
test_log("test_reserve_memory_special_huge_tlbfs_mixed(" SIZE_FORMAT ", " SIZE_FORMAT ")",
- size, alignment);
+ size, alignment);
assert(size >= os::large_page_size(), "Incorrect input to test");